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Date: Wed, 26 Sep 2012 10:52:08 +1100 (NCT)
From: "John Ross (JIRA)" <jira@apache.org>
To: dev@aries.apache.org
Message-ID: <1902833135.125933.1348617128401.JavaMail.jiratomcat@arcas>
Subject: [jira] [Created] (ARIES-927) Imports org.osgi.service.framework
 package as optional but assumes it's there nevertheless.
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John Ross created ARIES-927:
-------------------------------

             Summary: Imports org.osgi.service.framework package as optional but assumes it's there nevertheless.
                 Key: ARIES-927
                 URL: https://issues.apache.org/jira/browse/ARIES-927
             Project: Aries
          Issue Type: Bug
          Components: Util
            Reporter: John Ross


Util imports the org.osgi.service.framework package as optional. However, the InternalRecursiveBundleTracker invokes "x instanceof CompositeBundle" in the addingBundle() method without protection. This results in a NoClassDefFoundError, like the one below, in environments where the package is not available. One such environment is the OSGi CT, where "private" package imports, such as the x-internal org.osgi.service.framework package provided by Equinox, are forbidden.

! Failed to start bundle org.apache.aries.blueprint-1.0.0, exception activator error org/osgi/service/framework/CompositeBundle from: org.apache.aries.util.tracker.InternalRecursiveBundleTracker:addingBundle#67
org.osgi.framework.BundleException: Exception in org.apache.aries.blueprint.container.BlueprintExtender.start() of bundle org.apache.aries.blueprint.
	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:734)
	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683)
	at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
	at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:300)
	at aQute.launcher.Launcher.update(Launcher.java:287)
	at aQute.launcher.Launcher.activate(Launcher.java:212)
	at aQute.launcher.Launcher.run(Launcher.java:133)
	at aQute.launcher.Launcher.main(Launcher.java:68)
Caused by: java.lang.NoClassDefFoundError: org/osgi/service/framework/CompositeBundle
	at org.apache.aries.util.tracker.InternalRecursiveBundleTracker.addingBundle(InternalRecursiveBundleTracker.java:67)
	at org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:467)
	at org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:1)
	at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256)
	at org.osgi.util.tracker.AbstractTracked.trackInitial(AbstractTracked.java:183)
	at org.osgi.util.tracker.BundleTracker.open(BundleTracker.java:156)
	at org.apache.aries.util.tracker.RecursiveBundleTracker.open(RecursiveBundleTracker.java:95)
	at org.apache.aries.blueprint.container.BlueprintExtender$2.serviceFound(BlueprintExtender.java:104)
	at org.apache.aries.util.tracker.SingleServiceTracker.update(SingleServiceTracker.java:157)
	at org.apache.aries.util.tracker.SingleServiceTracker.findMatchingReference(SingleServiceTracker.java:115)
	at org.apache.aries.util.tracker.SingleServiceTracker.open(SingleServiceTracker.java:98)
	at org.apache.aries.blueprint.container.BlueprintExtender.start(BlueprintExtender.java:112)
	at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)
	... 7 more
Caused by: java.lang.ClassNotFoundException: org.osgi.service.framework.CompositeBundle
	at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:501)
	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421)
	at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412)
	at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
	... 22 more

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